a-a a-c aaa aac aag aan aao aar aay ac- aca acc acg acn aco acr acy ag- aga agc agg agn ago agr agy an- ana anc ang ann ano anr any aoa aoc aog aon aoo aor ar- ara arc arg arn aro arr ary ay- aya ayc ayn ayo ayr c-- caa cac cag can cao car cay cca ccc ccg ccn cco ccr cga cgc cgg cgn cgo cgr cgy cn- cna cnc cng cnn cno cnr cny co- coa coc cog con coo cor coy cra crc crg crn cro crr cry cya cyc cyg cyn cyo cyr gaa gac gag gan gao gar gay gca gcc gcg gcn gco gcr gga ggc ggg ggn ggo ggr gna gnc gnn gno gnr goa goc gog gon goo gor goy gra grc grg grn gro grr gry gy- gya gyn gyo gyr naa nac nag nan nao nar nay nca ncc ncg ncn nco ncr nga ngc ngg ngn ngo nna nnc nng nnn nno no- noa noc nog non noo nor noy nra nrc nrg nrn nro nrr nry nya nyc nyg nyn nyo nyy oaa oac oag oan oao oar oc- oca occ ocg ocn oco ocr oga ogc ogg ogn ogo ogy on- ona onc ong onn ono onr ony oo- ooa ooc oog oon ooo oor or- ora orc org orn oro orr ory oya oyo ra- raa rac rag ran rao rar ray rca rcc rcg rcn rco rcr rga rgc rgg rgn rgo rgr rna rnc rng rnn rno rnr rny roa roc rog ron roo ror roy rra rrc rrg rrn rrr ry- rya ryc ryg ryn ryo ryr ryy yaa yac yag yan yao yar yay yca ycc yco ycy yga ygc ygo yna yng ynn yny yoc yog yon yoo yor yoy yra yrc yrg yrn yro yyc yyg yyy